Method of assembling grommet and jig for assembling grommet

1. A method of assembling a grommet, comprising the steps of:

providing a grommet assembling jig which has a mounting portion and a guide portion;

providing a first division body which has a seal portion;

providing a second division body which has a fixing portion, the first division body and the second division body constituting the grommet;

mounting the first division body on the grommet assembling jig so that the seal portion is fitted on the mounting portion;

arranging a wire harness on the first division body; and

assembling the second division body with the first division body by guiding the guide portion to the fixing portion.

2. The method as set forth in claim 1 , wherein the fixing portion has a through hole, the guide portion passes through the through hole of the fixing portion in the assembling step.

3. The method as set forth in claim 1 , further comprising the steps of:

providing a box body which has a notched opening portion corresponding to the mounting portion and which has an engagement portion;

removing the grommet assembling jig from the first and second division bodies after the assembling step; and

mounting the assembled first and second division bodies to the box body, so that the seal portion is brought into contact with the notched opening portion and the fixing portion is fixed to the engagement portion.